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-rw-r--r--ui/lib/components/MessageInput.svelte42
1 files changed, 33 insertions, 9 deletions
diff --git a/ui/lib/components/MessageInput.svelte b/ui/lib/components/MessageInput.svelte
index 71b7b8f..cdb855e 100644
--- a/ui/lib/components/MessageInput.svelte
+++ b/ui/lib/components/MessageInput.svelte
@@ -1,40 +1,64 @@
<script>
let { sendMessage = async (message) => {} } = $props();
- let form = $state(null);
let value = $state('');
- // This doesn't seem to work with a contenteditable two-way bound svelte
- // thing:
let disabled = $state(false);
+ // Entering and removing text from the input area leaves a stray line break behind. This effect
+ // looks for that scenario and removes it, restoring the "empty" state (and bringing the
+ // placeholder back again in the process).
+ $effect(() => {
+ const trimmed = value.trim();
+ if (trimmed !== value && trimmed === '') {
+ value = trimmed;
+ }
+ });
+
async function onsubmit(event) {
event.preventDefault();
disabled = true;
try {
await sendMessage(value);
- value = '';
+ event.target.closest('form')?.reset();
} finally {
disabled = false;
}
}
function onkeydown(event) {
+ if (disabled) {
+ event.preventDefault();
+ return;
+ }
+
let modifier = event.shiftKey || event.altKey || event.ctrlKey || event.metaKey;
if (!modifier && event.key === 'Enter') {
event.preventDefault();
- form?.requestSubmit?.();
+ event.target.closest('form')?.requestSubmit();
+ }
+ }
+
+ function onpaste(event) {
+ if (disabled) {
+ event.preventDefault();
}
}
</script>
-<form {onsubmit} bind:this={form}>
+<form {onsubmit}>
+ <textarea bind:value class="hidden" {disabled}></textarea>
<div
+ role="textbox"
+ tabindex="0"
contenteditable="plaintext-only"
- class="textarea"
+ class={{
+ textarea: true,
+ disabled
+ }}
bind:innerText={value}
{onkeydown}
- {disabled}
- placeholder="Say something..."
+ {onpaste}
+ data-placeholder="Say something..."
></div>
<button type="submit">&raquo;</button>
</form>